#62. A client would like to have the house lights turn on when ambient light falls below a present level and turn off when the amount of light increases above that level. Which of the following types of sensors should be utilized?
#65. In the design of a residential exterior lighting control system that uses lighting as a security measure, which of the following is the primary focus?
#66. A customer calls a technician asking for assistance setting up a software-based firewall for a home computer. The computer connects to a local Internet service provide (ISP) for the purpose of sending and receiving e-mail. Which of the following two ports will the technician open on the firewall to allow the transfer of email to and from the ISP?
#68. The current requirements for most HVAC thermostat control systems require the wire to be at least what gauge when the maximum length is over 100 ft.?
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